Finite Group Databasebeta

C2×C79×#2255 #34145416

order20224
nilpotency class4
isoclinismisoclinic class of #2218
automorphism?
homologyAbelianization (H1) = C24×C79 · Schur multiplier (H2) = C24

Aliases

direct productC2×C79×#2255

Subgroups

subgroupG/H
center, socle, prime radicalC23×C79C2×D8
commutator, Frattini, cosocleC2×C8C24×C79
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C23×C79 ◁ C2×C42×C79 ◁ C2×C4×C8×C79 ◁ G

518 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 105
transitive degreeμt(G) = 20224

A minimal faithful permutation representation — 4 generators on 105 points:

(1,2)(27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105);(3,4,6,8)(5,9,10,7)(12,16)(13,18)(14,20)(17,22)(19,26)(21,25)(23,24);(3,5,6,10)(4,7,8,9)(12,17)(16,22)(19,23)(24,26);(11,12,18,24,14,19,21,22,15,17,25,26,20,23,13,16)

Conjugacy classes & character table

4108 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 26715);